“My 2022 GMC Sierra does not have a 12VDC power outlet. It has two types of USB outlets including USB-C. I tried running my current Garmin on the USB-C and over time the battery went dead and required recharging off AC power. USB-C powered unit?”
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Garmin vehicle navigation devices do all require a 12v power source. Most models will have a hardwire option should you need it.
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